SOLUTION: Dave wants to purchase 18 pounds of party mix for a total of $46. To obtain the; mixture, he will mix nuts that cost $4 per pound with pretzels that cost $2 per pound. How many pou

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Dave wants to purchase 18 pounds of party mix for a total of $46. To obtain the; mixture, he will mix nuts that cost $4 per pound with pretzels that cost $2 per pound. How many pou      Log On


   

Question 1070209: Dave wants to purchase 18 pounds of party mix for a total of $46. To obtain the; mixture, he will mix nuts that cost $4 per pound with pretzels that cost $2 per pound. How many pounds of each type and mix should he use?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
n nuts
p pretzels

The first equation accounts for COST of the mixture:
system%282p%2B4n=46%2Cn%2Bp=18%29

That same equation, simplifiable:
system%282n%2Bp=23%2Cn%2Bp=18%29
Solve!

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